Merhaba, tkinter kullanarak hesap makinesi yapımı. Kodlar aşağıda.
Python:
try:
import Tkinter as tk.
except ImportError:
import tkinter as tk.
class Calculator:
def __init__(self):
self._stack = []
self._valid = [
'1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '-', '*', '/'
]
def add(self, text):
if text not in self._valid:
return ''.
self._stack.append(text)
return text.
def get(self):
return ''.join(self._stack)
def evaluate(self):
try:
result = eval(self.get())
except Exception as ex:
result = ex.
return str(result)
def reset(self):
self._stack = []
class Window(tk.Tk):
is_reset = True.
def __init__(self):
super().__init__()
self.calculator = Calculator()
self.geometry(self.get_geometry())
self.resizable(False, False)
self.title("Hesap Makinesi CoderMoko")
self.result = tk.StringVar()
self.ent_result = tk.Entry(self, textvariable=self.result)
self.ent_result.place(relx=0.031, rely=0.031, relheight=0.266, relwidth=0.953)
self.ent_result.configure(background="white", font="TkFixedFont", justify='right')
self.btn_7 = tk.Button(self)
self.btn_7.place(relx=0.031, rely=0.344, height=41, width=61)
self.btn_7.configure(text='7')
self.btn_8 = tk.Button(self)
self.btn_8.place(relx=0.281, rely=0.344, height=41, width=61)
self.btn_8.configure(text='8')
self.btn_9 = tk.Button(self)
self.btn_9.place(relx=0.531, rely=0.344, height=41, width=61)
self.btn_9.configure(text='9')
self.btn_add = tk.Button(self)
self.btn_add.place(relx=0.781, rely=0.344, height=41, width=61)
self.btn_add.configure(text='+')
self.btn_4 = tk.Button(self)
self.btn_4.place(relx=0.031, rely=0.5, height=41, width=61)
self.btn_4.configure(text='4')
self.btn_5 = tk.Button(self)
self.btn_5.place(relx=0.281, rely=0.5, height=41, width=61)
self.btn_5.configure(text='5')
self.btn_6 = tk.Button(self)
self.btn_6.place(relx=0.531, rely=0.5, height=41, width=61)
self.btn_6.configure(text='6')
self.btn_sub = tk.Button(self)
self.btn_sub.place(relx=0.781, rely=0.5, height=41, width=61)
self.btn_sub.configure(text='-')
self.btn_2 = tk.Button(self)
self.btn_2.place(relx=0.281, rely=0.656, height=41, width=61)
self.btn_2.configure(text='2')
self.btn_1 = tk.Button(self)
self.btn_1.place(relx=0.031, rely=0.656, height=41, width=61)
self.btn_1.configure(text='1')
self.btn_3 = tk.Button(self)
self.btn_3.place(relx=0.531, rely=0.656, height=41, width=61)
self.btn_3.configure(text='3')
self.btn_mul = tk.Button(self)
self.btn_mul.place(relx=0.781, rely=0.656, height=41, width=61)
self.btn_mul.configure(text='x')
self.btn_c = tk.Button(self)
self.btn_c.place(relx=0.031, rely=0.813, height=41, width=61)
self.btn_c.configure(text='C', activebackground='#FFF')
self.btn_0 = tk.Button(self)
self.btn_0.place(relx=0.281, rely=0.813, height=41, width=61)
self.btn_0.configure(text='0')
self.btn_eq = tk.Button(self)
self.btn_eq.place(relx=0.531, rely=0.813, height=41, width=61)
self.btn_eq.configure(text='=', activebackground='#456')
self.btn_div = tk.Button(self)
self.btn_div.place(relx=0.781, rely=0.813, height=41, width=61)
self.btn_div.configure(text='/')
self.init_events()
def init_events(self):
# button events.
self.btn_0.bind('<Button-1>', func=lambda event: self.key_clicked('0'))
self.btn_1.bind('<Button-1>', func=lambda event: self.key_clicked('1'))
self.btn_2.bind('<Button-1>', func=lambda event: self.key_clicked('2'))
self.btn_3.bind('<Button-1>', func=lambda event: self.key_clicked('3'))
self.btn_4.bind('<Button-1>', func=lambda event: self.key_clicked('4'))
self.btn_5.bind('<Button-1>', func=lambda event: self.key_clicked('5'))
self.btn_6.bind('<Button-1>', func=lambda event: self.key_clicked('6'))
self.btn_7.bind('<Button-1>', func=lambda event: self.key_clicked('7'))
self.btn_8.bind('<Button-1>', func=lambda event: self.key_clicked('8'))
self.btn_9.bind('<Button-1>', func=lambda event: self.key_clicked('9'))
# operation events.
self.btn_add.bind('<Button-1>', func=lambda event: self.key_clicked('+'))
self.btn_sub.bind('<Button-1>', func=lambda event: self.key_clicked('-'))
self.btn_mul.bind('<Button-1>', func=lambda event: self.key_clicked('*'))
self.btn_div.bind('<Button-1>', func=lambda event: self.key_clicked('/'))
self.btn_c.bind('<Button-1>', func=lambda event: self.clear_clicked())
self.btn_eq.bind('<Button-1>', func=lambda event: self.enter_clicked())
# global events.
self.bind('<Return>', func=lambda event: self.enter_clicked())
self.bind('<Key>', func=lambda event: self.key_clicked(event.char))
def key_clicked(self, key):
if self.is_reset:
self.result.set('')
self.is_reset = False.
self.result.set(self.result.get() + self.calculator.add(key))
def enter_clicked(self):
self.result.set(self.result.get() + '=' + self.calculator.evaluate())
self.calculator.reset()
self.is_reset = True.
def clear_clicked(self):
self.result.set('')
self.calculator.reset()
def get_geometry(self):
width = height = 320.
x = (self.winfo_screenwidth() // 2) - (width // 2)
y = (self.winfo_screenheight() // 2) - (height // 2)
geometry = '{}x{}+{}+{}'.format(width, height, x, y)
return geometry.
if __name__ == '__main__':
window = Window()
window.mainloop()
